using System;
using System.Collections;
using System.Collections.Generic;
using Dreamteck.Splines;
using Ichni.RhythmGame;
using UnityEngine;

namespace Ichni.RhythmGame
{
    public class CrossTrackPoint : BaseElement
    {
        public ElementFolder trackListFolder;
        public Track nowAttachedTrack;
        private int nowAttachedTrackIndex;
        public SplinePositioner trackPositioner;

        public FlexibleInt trackSwitch;
        public FlexibleFloat trackPercent;

        public static CrossTrackPoint GenerateElement(string elementName, Guid id, List<string> tags,
            ElementFolder elementFolder, FlexibleInt trackSwitch, FlexibleFloat trackPercent)
        {
            CrossTrackPoint point = Instantiate(EditorManager.instance.basePrefabs.emptyObject, elementFolder.transform).AddComponent<CrossTrackPoint>();
            point.Initialize(elementName, id, tags);
            point.trackPositioner = point.gameObject.AddComponent<SplinePositioner>();
            point.nowAttachedTrackIndex = -1;
            point.trackListFolder = elementFolder;
            point.trackSwitch = trackSwitch;
            point.trackPercent = trackPercent;
            point.transformSubmodule = new TransformSubmodule(point);
            point.timeDurationSubmodule = new TimeDurationSubmodule(point);
            point.SetParent(elementFolder);

            return point;
        }

        private void Update()
        {
            if (trackPercent.animations.Count > 0)
            {
                trackSwitch.UpdateFlexibleInt(EditorManager.instance.songModule.songTime);
                trackPercent.UpdateFlexibleFloat(EditorManager.instance.songModule.songTime);
                SetPoint();
            }
        }

        private void SetPoint()
        {
            if (nowAttachedTrackIndex != trackSwitch.value && trackSwitch.value >= 0 && trackSwitch.value < trackListFolder.trackList.Count)
            {
                nowAttachedTrack = trackListFolder.trackList[trackSwitch.value];
                nowAttachedTrackIndex = trackSwitch.value;
                trackPositioner.spline = trackListFolder.trackList[trackSwitch.value].trackPathSubmodule.path;
            }

            trackPositioner.SetPercent(trackPercent.value);
        }
    }
}